ci(language-service): enable language service tests in bazel (#23001)

PR Close #23001

packages/compiler-cli/src/diagnostics/typescript_symbols.ts

@@ -512,6 +512,9 @@ class PipesTable implements SymbolTable {
   values(): Symbol[] { return this.pipes.map(pipe => new PipeSymbol(pipe, this.context)); }
 }
 
+// This matches .d.ts files that look like ".../<package-name>/<package-name>.d.ts",
+const INDEX_PATTERN = /[\\/]([^\\/]+)[\\/]\1\.d\.ts$/;
+
 class PipeSymbol implements Symbol {
   private _tsType: ts.Type;
   public readonly kind: DeclarationKind = 'pipe';
@@ -600,7 +603,18 @@ class PipeSymbol implements Symbol {
 }
 
 function findClassSymbolInContext(type: StaticSymbol, context: TypeContext): ts.Symbol|undefined {
-  const sourceFile = context.program.getSourceFile(type.filePath);
+  let sourceFile = context.program.getSourceFile(type.filePath);
+  if (!sourceFile) {
+    // This handles a case where an <packageName>/index.d.ts and a <packageName>/<packageName>.d.ts
+    // are in the same directory. If we are looking for <packageName>/<packageName> and didn't
+    // find it, look for <packageName>/index.d.ts as the program might have found that instead.
+    const p = type.filePath as string;
+    const m = p.match(INDEX_PATTERN);
+    if (m) {
+      const indexVersion = path.join(path.dirname(p), 'index.d.ts');
+      sourceFile = context.program.getSourceFile(indexVersion);
+    }
+  }
   if (sourceFile) {
     const moduleSymbol = (sourceFile as any).module || (sourceFile as any).symbol;
     const exports = context.checker.getExportsOfModule(moduleSymbol);

packages/compiler-cli/test/BUILD.bazel

@@ -10,7 +10,10 @@ ts_library(
         "mocks.ts",
         "test_support.ts",
     ],
-    visibility = [":__subpackages__"],
+    visibility = [
+        ":__subpackages__",
+        "//packages/language-service/test:__subpackages__",
+    ],
     deps = [
         "//packages:types",
         "//packages/compiler",

packages/language-service/test/BUILD.bazel

@@ -8,6 +8,7 @@ ts_library(
     deps = [
         "//packages:types",
         "//packages/compiler",
+        "//packages/compiler-cli/test:test_utils",
         "//packages/language-service",
     ],
 )
@@ -15,9 +16,14 @@ ts_library(
 jasmine_node_test(
     name = "test",
     bootstrap = ["angular/tools/testing/init_node_spec.js"],
+    data = [
+        "//packages/common:npm_package",
+        "//packages/core:npm_package",
+        "//packages/forms:npm_package",
+    ],
     # disable since tests are running but not yet passing
-    tags = ["manual"],
     deps = [
+        ":test_lib",
         "//tools/testing:node",
     ],
 )

packages/language-service/test/test_utils.ts

@@ -6,6 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import {isInBazel, setup} from '@angular/compiler-cli/test/test_support';
 import * as fs from 'fs';
 import * as path from 'path';
 import * as ts from 'typescript';
@@ -75,12 +76,19 @@ export class MockTypescriptHost implements ts.LanguageServiceHost {
       private scriptNames: string[], private data: MockData,
       private node_modules: string = 'node_modules', private myPath: typeof path = path) {
     const moduleFilename = module.filename.replace(/\\/g, '/');
-    let angularIndex = moduleFilename.indexOf('@angular');
+    if (isInBazel()) {
-    if (angularIndex >= 0)
+      const support = setup();
-      this.angularPath = moduleFilename.substr(0, angularIndex).replace('/all/', '/all/@angular/');
+      this.nodeModulesPath = path.join(support.basePath, 'node_modules');
-    let distIndex = moduleFilename.indexOf('/dist/all');
+      this.angularPath = path.join(this.nodeModulesPath, '@angular');
-    if (distIndex >= 0)
+    } else {
-      this.nodeModulesPath = myPath.join(moduleFilename.substr(0, distIndex), 'node_modules');
+      const angularIndex = moduleFilename.indexOf('@angular');
+      if (angularIndex >= 0)
+        this.angularPath =
+            moduleFilename.substr(0, angularIndex).replace('/all/', '/all/@angular/');
+      const distIndex = moduleFilename.indexOf('/dist/all');
+      if (distIndex >= 0)
+        this.nodeModulesPath = myPath.join(moduleFilename.substr(0, distIndex), 'node_modules');
+    }
     this.options = {
       target: ts.ScriptTarget.ES5,
       module: ts.ModuleKind.CommonJS,